TY  - BOOK
AU  - Volk, Trudi L.
TI  - Investigating and evaluating environmental issues of the Rio Grande/Rio Bravo river valley
SN  - 0588740595
PY  - 2001///
CY  - Illinois
PB  - Stipes Publishing Company
KW  - Environmental education
KW  - United States
KW  - Rio Grande River Valley
KW  - Environmental conditions
N1  - 'An extended case study for the investigation and evaluating environmental issues associated with the Rio Grande/Rio Bravo River Valley' - tp; Teacher edition
ER  -